#include "gsocketclient.h"
#include <stdlib.h>
+#include <string.h>
#include <gio/gioenumtypes.h>
#include <gio/gsocketaddressenumerator.h>
#include <gio/gsocketconnectable.h>
#include <gio/gsocketconnection.h>
+#include <gio/gproxyaddressenumerator.h>
+#include <gio/gproxyaddress.h>
#include <gio/gsimpleasyncresult.h>
#include <gio/gcancellable.h>
#include <gio/gioerror.h>
#include <gio/gsocket.h>
#include <gio/gnetworkaddress.h>
#include <gio/gnetworkservice.h>
+#include <gio/gproxy.h>
#include <gio/gsocketaddress.h>
+#include <gio/gtcpconnection.h>
+#include <gio/gtcpwrapperconnection.h>
+#include <gio/gtlscertificate.h>
+#include <gio/gtlsclientconnection.h>
+#include <gio/ginetaddress.h>
#include "glibintl.h"
-#include "gioalias.h"
/**
* SECTION:gsocketclient
* #GSocketClient is a high-level utility class for connecting to a
* network host using a connection oriented socket type.
*
- * You create a #GSocketClient object, set any options you want, then
+ * You create a #GSocketClient object, set any options you want, and then
* call a sync or async connect operation, which returns a #GSocketConnection
* subclass on success.
*
PROP_FAMILY,
PROP_TYPE,
PROP_PROTOCOL,
- PROP_LOCAL_ADDRESS
+ PROP_LOCAL_ADDRESS,
+ PROP_TIMEOUT,
+ PROP_ENABLE_PROXY,
+ PROP_TLS,
+ PROP_TLS_VALIDATION_FLAGS
};
struct _GSocketClientPrivate
GSocketType type;
GSocketProtocol protocol;
GSocketAddress *local_address;
+ guint timeout;
+ gboolean enable_proxy;
+ GHashTable *app_proxies;
+ gboolean tls;
+ GTlsCertificateFlags tls_validation_flags;
};
static GSocket *
}
}
+ if (client->priv->timeout)
+ g_socket_set_timeout (socket, client->priv->timeout);
+
return socket;
}
+static gboolean
+can_use_proxy (GSocketClient *client)
+{
+ GSocketClientPrivate *priv = client->priv;
+
+ return priv->enable_proxy
+ && priv->type == G_SOCKET_TYPE_STREAM;
+}
+
+static void
+clarify_connect_error (GError *error,
+ GSocketConnectable *connectable,
+ GSocketAddress *address)
+{
+ const char *name;
+ char *tmp_name = NULL;
+
+ if (G_IS_PROXY_ADDRESS (address))
+ {
+ name = tmp_name = g_inet_address_to_string (g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (address)));
+
+ g_prefix_error (&error, _("Could not connect to proxy server %s: "), name);
+ }
+ else
+ {
+ if (G_IS_NETWORK_ADDRESS (connectable))
+ name = g_network_address_get_hostname (G_NETWORK_ADDRESS (connectable));
+ else if (G_IS_NETWORK_SERVICE (connectable))
+ name = g_network_service_get_domain (G_NETWORK_SERVICE (connectable));
+ else if (G_IS_INET_SOCKET_ADDRESS (connectable))
+ name = tmp_name = g_inet_address_to_string (g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (connectable)));
+ else
+ name = NULL;
+
+ if (name)
+ g_prefix_error (&error, _("Could not connect to %s: "), name);
+ else
+ g_prefix_error (&error, _("Could not connect: "));
+ }
+
+ g_free (tmp_name);
+}
+
static void
g_socket_client_init (GSocketClient *client)
{
G_TYPE_SOCKET_CLIENT,
GSocketClientPrivate);
client->priv->type = G_SOCKET_TYPE_STREAM;
+ client->priv->app_proxies = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ NULL);
}
/**
if (G_OBJECT_CLASS (g_socket_client_parent_class)->finalize)
(*G_OBJECT_CLASS (g_socket_client_parent_class)->finalize) (object);
+
+ g_hash_table_unref (client->priv->app_proxies);
}
static void
g_value_set_object (value, client->priv->local_address);
break;
+ case PROP_TIMEOUT:
+ g_value_set_uint (value, client->priv->timeout);
+ break;
+
+ case PROP_ENABLE_PROXY:
+ g_value_set_boolean (value, client->priv->enable_proxy);
+ break;
+
+ case PROP_TLS:
+ g_value_set_boolean (value, g_socket_client_get_tls (client));
+ break;
+
+ case PROP_TLS_VALIDATION_FLAGS:
+ g_value_set_flags (value, g_socket_client_get_tls_validation_flags (client));
+ break;
+
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
g_socket_client_set_local_address (client, g_value_get_object (value));
break;
+ case PROP_TIMEOUT:
+ g_socket_client_set_timeout (client, g_value_get_uint (value));
+ break;
+
+ case PROP_ENABLE_PROXY:
+ g_socket_client_set_enable_proxy (client, g_value_get_boolean (value));
+ break;
+
+ case PROP_TLS:
+ g_socket_client_set_tls (client, g_value_get_boolean (value));
+ break;
+
+ case PROP_TLS_VALIDATION_FLAGS:
+ g_socket_client_set_tls_validation_flags (client, g_value_get_flags (value));
+ break;
+
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
*
* See g_socket_client_set_local_address() for details.
*
- * Returns: a #GSocketAddres or %NULL. don't free
+ * Returns: (transfer none): a #GSocketAddress or %NULL. Do not free.
*
* Since: 2.22
*/
* The sockets created by this object will bound to the
* specified address (if not %NULL) before connecting.
*
- * This is useful if you want to ensure the the local
+ * This is useful if you want to ensure that the local
* side of the connection is on a specific port, or on
* a specific interface.
*
GSocketAddress *address)
{
if (address)
- g_object_ref (address);
+ g_object_ref (address);
if (client->priv->local_address)
{
g_object_notify (G_OBJECT (client), "local-address");
}
+/**
+ * g_socket_client_get_timeout:
+ * @client: a #GSocketClient
+ *
+ * Gets the I/O timeout time for sockets created by @client.
+ *
+ * See g_socket_client_set_timeout() for details.
+ *
+ * Returns: the timeout in seconds
+ *
+ * Since: 2.26
+ */
+guint
+g_socket_client_get_timeout (GSocketClient *client)
+{
+ return client->priv->timeout;
+}
+
+
+/**
+ * g_socket_client_set_timeout:
+ * @client: a #GSocketClient.
+ * @timeout: the timeout
+ *
+ * Sets the I/O timeout for sockets created by @client. @timeout is a
+ * time in seconds, or 0 for no timeout (the default).
+ *
+ * The timeout value affects the initial connection attempt as well,
+ * so setting this may cause calls to g_socket_client_connect(), etc,
+ * to fail with %G_IO_ERROR_TIMED_OUT.
+ *
+ * Since: 2.26
+ */
+void
+g_socket_client_set_timeout (GSocketClient *client,
+ guint timeout)
+{
+ if (client->priv->timeout == timeout)
+ return;
+
+ client->priv->timeout = timeout;
+ g_object_notify (G_OBJECT (client), "timeout");
+}
+
+/**
+ * g_socket_client_get_enable_proxy:
+ * @client: a #GSocketClient.
+ *
+ * Gets the proxy enable state; see g_socket_client_set_enable_proxy()
+ *
+ * Returns: whether proxying is enabled
+ *
+ * Since: 2.26
+ */
+gboolean
+g_socket_client_get_enable_proxy (GSocketClient *client)
+{
+ return client->priv->enable_proxy;
+}
+
+/**
+ * g_socket_client_set_enable_proxy:
+ * @client: a #GSocketClient.
+ * @enable: whether to enable proxies
+ *
+ * Sets whether or not @client attempts to make connections via a
+ * proxy server. When enabled (the default), #GSocketClient will use a
+ * #GProxyResolver to determine if a proxy protocol such as SOCKS is
+ * needed, and automatically do the necessary proxy negotiation.
+ *
+ * Since: 2.26
+ */
+void
+g_socket_client_set_enable_proxy (GSocketClient *client,
+ gboolean enable)
+{
+ enable = !!enable;
+ if (client->priv->enable_proxy == enable)
+ return;
+
+ client->priv->enable_proxy = enable;
+ g_object_notify (G_OBJECT (client), "enable-proxy");
+}
+
+/**
+ * g_socket_client_get_tls:
+ * @client: a #GSocketClient.
+ *
+ * Gets whether @client creates TLS connections. See
+ * g_socket_client_set_tls() for details.
+ *
+ * Returns: whether @client uses TLS
+ *
+ * Since: 2.28
+ */
+gboolean
+g_socket_client_get_tls (GSocketClient *client)
+{
+ return client->priv->tls;
+}
+
+/**
+ * g_socket_client_set_tls:
+ * @client: a #GSocketClient.
+ * @tls: whether to use TLS
+ *
+ * Sets whether @client creates TLS (aka SSL) connections. If @tls is
+ * %TRUE, @client will wrap its connections in a #GTlsClientConnection
+ * and perform a TLS handshake when connecting.
+ *
+ * Note that since #GSocketClient must return a #GSocketConnection,
+ * but #GTlsClientConnection is not a #GSocketConnection, this
+ * actually wraps the resulting #GTlsClientConnection in a
+ * #GTcpWrapperConnection when returning it. You can use
+ * g_tcp_wrapper_connection_get_base_io_stream() on the return value
+ * to extract the #GTlsClientConnection.
+ *
+ * Since: 2.28
+ */
+void
+g_socket_client_set_tls (GSocketClient *client,
+ gboolean tls)
+{
+ tls = !!tls;
+ if (tls == client->priv->tls)
+ return;
+
+ client->priv->tls = tls;
+ g_object_notify (G_OBJECT (client), "tls");
+}
+
+/**
+ * g_socket_client_get_tls_validation_flags:
+ * @client: a #GSocketClient.
+ *
+ * Gets the TLS validation flags used creating TLS connections via
+ * @client.
+ *
+ * Returns: the TLS validation flags
+ *
+ * Since: 2.28
+ */
+GTlsCertificateFlags
+g_socket_client_get_tls_validation_flags (GSocketClient *client)
+{
+ return client->priv->tls_validation_flags;
+}
+
+/**
+ * g_socket_client_set_tls_validation_flags:
+ * @client: a #GSocketClient.
+ * @flags: the validation flags
+ *
+ * Sets the TLS validation flags used when creating TLS connections
+ * via @client. The default value is %G_TLS_CERTIFICATE_VALIDATE_ALL.
+ *
+ * Since: 2.28
+ */
+void
+g_socket_client_set_tls_validation_flags (GSocketClient *client,
+ GTlsCertificateFlags flags)
+{
+ if (client->priv->tls_validation_flags != flags)
+ {
+ client->priv->tls_validation_flags = flags;
+ g_object_notify (G_OBJECT (client), "tls-validation-flags");
+ }
+}
+
static void
g_socket_client_class_init (GSocketClientClass *class)
{
G_PARAM_CONSTRUCT |
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_TIMEOUT,
+ g_param_spec_uint ("timeout",
+ P_("Socket timeout"),
+ P_("The I/O timeout for sockets, or 0 for none"),
+ 0, G_MAXUINT, 0,
+ G_PARAM_CONSTRUCT |
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_ENABLE_PROXY,
+ g_param_spec_boolean ("enable-proxy",
+ P_("Enable proxy"),
+ P_("Enable proxy support"),
+ TRUE,
+ G_PARAM_CONSTRUCT |
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_TLS,
+ g_param_spec_boolean ("tls",
+ P_("TLS"),
+ P_("Whether to create TLS connections"),
+ FALSE,
+ G_PARAM_CONSTRUCT |
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_TLS_VALIDATION_FLAGS,
+ g_param_spec_flags ("tls-validation-flags",
+ P_("TLS validation flags"),
+ P_("TLS validation flags to use"),
+ G_TYPE_TLS_CERTIFICATE_FLAGS,
+ G_TLS_CERTIFICATE_VALIDATE_ALL,
+ G_PARAM_CONSTRUCT |
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
}
/**
* g_socket_client_connect:
* @client: a #GSocketClient.
* @connectable: a #GSocketConnectable specifying the remote address.
- * @cancellable: optional #GCancellable object, %NULL to ignore.
+ * @cancellable: (allow-none): optional #GCancellable object, %NULL to ignore.
* @error: #GError for error reporting, or %NULL to ignore.
*
- * Tries to resolve the @connectable and make a network connection to it..
+ * Tries to resolve the @connectable and make a network connection to it.
*
* Upon a successful connection, a new #GSocketConnection is constructed
* and returned. The caller owns this new object and must drop their
* the underlying socket that is used. For instance, for a TCP/IP connection
* it will be a #GTcpConnection.
*
- * The socket created will be the same family as the the address that the
+ * The socket created will be the same family as the address that the
* @connectable resolves to, unless family is set with g_socket_client_set_family()
* or indirectly via g_socket_client_set_local_address(). The socket type
* defaults to %G_SOCKET_TYPE_STREAM but can be set with
* If a local address is specified with g_socket_client_set_local_address() the
* socket will be bound to this address before connecting.
*
- * Returns: a #GSocketConnection on success, %NULL on error.
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
*
* Since: 2.22
*/
GCancellable *cancellable,
GError **error)
{
- GSocketConnection *connection = NULL;
- GSocketAddressEnumerator *enumerator;
+ GIOStream *connection = NULL;
+ GSocketAddressEnumerator *enumerator = NULL;
GError *last_error, *tmp_error;
last_error = NULL;
- enumerator = g_socket_connectable_enumerate (connectable);
+
+ if (can_use_proxy (client))
+ enumerator = g_socket_connectable_proxy_enumerate (connectable);
+ else
+ enumerator = g_socket_connectable_enumerate (connectable);
+
while (connection == NULL)
{
- GSocketAddress *address;
+ GSocketAddress *address = NULL;
+ gboolean application_proxy = FALSE;
GSocket *socket;
if (g_cancellable_is_cancelled (cancellable))
tmp_error = NULL;
address = g_socket_address_enumerator_next (enumerator, cancellable,
- &tmp_error);
+ &tmp_error);
+
if (address == NULL)
{
if (tmp_error)
}
else if (last_error)
{
- g_propagate_error (error, tmp_error);
+ g_propagate_error (error, last_error);
}
else
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
g_clear_error (&last_error);
socket = create_socket (client, address, &last_error);
- if (socket != NULL)
+ if (socket == NULL)
{
- if (g_socket_connect (socket, address, &last_error))
- connection = g_socket_connection_factory_create_connection (socket);
+ g_object_unref (address);
+ continue;
+ }
- g_object_unref (socket);
+ connection = (GIOStream *)g_socket_connection_factory_create_connection (socket);
+ if (!g_socket_connection_connect (G_SOCKET_CONNECTION (connection),
+ address, cancellable, &last_error))
+ {
+ clarify_connect_error (last_error, connectable, address);
+ g_object_unref (connection);
+ connection = NULL;
+ }
+
+ if (connection &&
+ G_IS_PROXY_ADDRESS (address) &&
+ client->priv->enable_proxy)
+ {
+ GProxyAddress *proxy_addr = G_PROXY_ADDRESS (address);
+ const gchar *protocol;
+ GProxy *proxy;
+
+ protocol = g_proxy_address_get_protocol (proxy_addr);
+ proxy = g_proxy_get_default_for_protocol (protocol);
+
+ /* The connection should not be anything else then TCP Connection,
+ * but let's put a safety guard in case
+ */
+ if (!G_IS_TCP_CONNECTION (connection))
+ {
+ g_critical ("Trying to proxy over non-TCP connection, this is "
+ "most likely a bug in GLib IO library.");
+
+ g_set_error_literal (&last_error,
+ G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("Trying to proxy over non-TCP connection is not supported."));
+
+ g_object_unref (connection);
+ connection = NULL;
+ }
+ else if (proxy)
+ {
+ GIOStream *proxy_connection;
+
+ proxy_connection = g_proxy_connect (proxy,
+ connection,
+ proxy_addr,
+ cancellable,
+ &last_error);
+ g_object_unref (connection);
+ connection = proxy_connection;
+ g_object_unref (proxy);
+ }
+ else if (!g_hash_table_lookup_extended (client->priv->app_proxies,
+ protocol, NULL, NULL))
+ {
+ g_set_error (&last_error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("Proxy protocol '%s' is not supported."),
+ protocol);
+ g_object_unref (connection);
+ connection = NULL;
+ }
+ else
+ {
+ application_proxy = TRUE;
+ }
+ }
+
+ if (!application_proxy && connection && client->priv->tls)
+ {
+ GIOStream *tlsconn;
+
+ tlsconn = g_tls_client_connection_new (connection, connectable, &last_error);
+ g_object_unref (connection);
+ connection = tlsconn;
+
+ if (tlsconn)
+ {
+ g_tls_client_connection_set_validation_flags (G_TLS_CLIENT_CONNECTION (tlsconn),
+ client->priv->tls_validation_flags);
+ if (!g_tls_connection_handshake (G_TLS_CONNECTION (tlsconn),
+ cancellable, &last_error))
+ {
+ g_object_unref (tlsconn);
+ connection = NULL;
+ }
+ }
}
+ if (connection && !G_IS_SOCKET_CONNECTION (connection))
+ {
+ GSocketConnection *wrapper_connection;
+
+ wrapper_connection = g_tcp_wrapper_connection_new (connection, socket);
+ g_object_unref (connection);
+ connection = (GIOStream *)wrapper_connection;
+ }
+
+ g_object_unref (socket);
g_object_unref (address);
}
g_object_unref (enumerator);
- return connection;
+ return G_SOCKET_CONNECTION (connection);
}
/**
* g_socket_client_connect_to_host:
- * @client: a #SocketClient
+ * @client: a #GSocketClient
* @host_and_port: the name and optionally port of the host to connect to
* @default_port: the default port to connect to
- * @cancellable: a #GCancellable, or %NULL
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
* @error: a pointer to a #GError, or %NULL
*
* This is a helper function for g_socket_client_connect().
*
* Attempts to create a TCP connection to the named host.
*
- * @host_and_port may be in any of a number of recognised formats: an IPv6
+ * @host_and_port may be in any of a number of recognized formats; an IPv6
* address, an IPv4 address, or a domain name (in which case a DNS
* lookup is performed). Quoting with [] is supported for all address
* types. A port override may be specified in the usual way with a
* used as the port number to connect to.
*
* In general, @host_and_port is expected to be provided by the user (allowing
- * them to give the hostname, and a port overide if necessary) and
+ * them to give the hostname, and a port override if necessary) and
* @default_port is expected to be provided by the application.
*
* In the case that an IP address is given, a single connection
* connectable) %NULL is returned and @error (if non-%NULL) is set
* accordingly.
*
- Returns: a #GSocketConnection on success, %NULL on error.
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
*
* Since: 2.22
*/
* @client: a #GSocketConnection
* @domain: a domain name
* @service: the name of the service to connect to
- * @cancellable: a #GCancellable, or %NULL
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
* @error: a pointer to a #GError, or %NULL
- * @returns: a #GSocketConnection if successful, or %NULL on error
*
* Attempts to create a TCP connection to a service.
*
* In the event of any failure (DNS error, service not found, no hosts
* connectable) %NULL is returned and @error (if non-%NULL) is set
* accordingly.
+ *
+ * Returns: (transfer full): a #GSocketConnection if successful, or %NULL on error
*/
GSocketConnection *
g_socket_client_connect_to_service (GSocketClient *client,
return connection;
}
+/**
+ * g_socket_client_connect_to_uri:
+ * @client: a #GSocketClient
+ * @uri: A network URI
+ * @default_port: the default port to connect to
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
+ * @error: a pointer to a #GError, or %NULL
+ *
+ * This is a helper function for g_socket_client_connect().
+ *
+ * Attempts to create a TCP connection with a network URI.
+ *
+ * @uri may be any valid URI containing an "authority" (hostname/port)
+ * component. If a port is not specified in the URI, @default_port
+ * will be used. TLS will be negotiated if #GSocketClient:tls is %TRUE.
+ * (#GSocketClient does not know to automatically assume TLS for
+ * certain URI schemes.)
+ *
+ * Using this rather than g_socket_client_connect() or
+ * g_socket_client_connect_to_host() allows #GSocketClient to
+ * determine when to use application-specific proxy protocols.
+ *
+ * Upon a successful connection, a new #GSocketConnection is constructed
+ * and returned. The caller owns this new object and must drop their
+ * reference to it when finished with it.
+ *
+ * In the event of any failure (DNS error, service not found, no hosts
+ * connectable) %NULL is returned and @error (if non-%NULL) is set
+ * accordingly.
+ *
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
+ *
+ * Since: 2.26
+ */
+GSocketConnection *
+g_socket_client_connect_to_uri (GSocketClient *client,
+ const gchar *uri,
+ guint16 default_port,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GSocketConnectable *connectable;
+ GSocketConnection *connection;
+
+ connectable = g_network_address_parse_uri (uri, default_port, error);
+ if (connectable == NULL)
+ return NULL;
+
+ connection = g_socket_client_connect (client, connectable,
+ cancellable, error);
+ g_object_unref (connectable);
+
+ return connection;
+}
+
typedef struct
{
GSimpleAsyncResult *result;
GCancellable *cancellable;
GSocketClient *client;
+ GSocketConnectable *connectable;
GSocketAddressEnumerator *enumerator;
+ GProxyAddress *proxy_addr;
+ GSocketAddress *current_addr;
GSocket *current_socket;
+ GIOStream *connection;
GError *last_error;
} GSocketClientAsyncConnectData;
static void
g_socket_client_async_connect_complete (GSocketClientAsyncConnectData *data)
{
- GSocketConnection *connection;
-
if (data->last_error)
{
- g_simple_async_result_set_from_error (data->result, data->last_error);
- g_error_free (data->last_error);
+ g_simple_async_result_take_error (data->result, data->last_error);
}
else
{
- g_assert (data->current_socket);
+ g_assert (data->connection);
+
+ if (!G_IS_SOCKET_CONNECTION (data->connection))
+ {
+ GSocketConnection *wrapper_connection;
- g_socket_set_blocking (data->current_socket, TRUE);
+ wrapper_connection = g_tcp_wrapper_connection_new (data->connection,
+ data->current_socket);
+ g_object_unref (data->connection);
+ data->connection = (GIOStream *)wrapper_connection;
+ }
- connection = g_socket_connection_factory_create_connection (data->current_socket);
g_simple_async_result_set_op_res_gpointer (data->result,
- connection,
+ data->connection,
g_object_unref);
}
g_simple_async_result_complete (data->result);
g_object_unref (data->result);
+ g_object_unref (data->connectable);
+ g_object_unref (data->enumerator);
+ if (data->cancellable)
+ g_object_unref (data->cancellable);
+ if (data->current_addr)
+ g_object_unref (data->current_addr);
+ if (data->current_socket)
+ g_object_unref (data->current_socket);
+ if (data->proxy_addr)
+ g_object_unref (data->proxy_addr);
+ g_slice_free (GSocketClientAsyncConnectData, data);
}
data->last_error = error;
}
-static gboolean
-g_socket_client_socket_callback (GSocket *socket,
- GIOCondition condition,
- GSocketClientAsyncConnectData *data)
+static void
+enumerator_next_async (GSocketClientAsyncConnectData *data)
{
- GError *error = NULL;
+ /* We need to cleanup the state */
+ g_clear_object (&data->current_socket);
+ g_clear_object (&data->current_addr);
+ g_clear_object (&data->proxy_addr);
+ g_clear_object (&data->connection);
- if (g_cancellable_is_cancelled (data->cancellable))
+ g_socket_address_enumerator_next_async (data->enumerator,
+ data->cancellable,
+ g_socket_client_enumerator_callback,
+ data);
+}
+
+static void
+g_socket_client_tls_handshake_callback (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GSocketClientAsyncConnectData *data = user_data;
+
+ if (g_tls_connection_handshake_finish (G_TLS_CONNECTION (object),
+ result,
+ &data->last_error))
{
- /* Cancelled, return done with last error being cancelled */
- g_clear_error (&data->last_error);
- g_object_unref (data->current_socket);
- data->current_socket = NULL;
- g_cancellable_set_error_if_cancelled (data->cancellable,
- &data->last_error);
+ g_object_unref (data->connection);
+ data->connection = G_IO_STREAM (object);
+
+ g_socket_client_async_connect_complete (data);
}
else
{
- /* socket is ready for writing means connect done, did it succeed? */
- if (!g_socket_check_connect_result (data->current_socket, &error))
- {
- set_last_error (data, error);
+ g_object_unref (object);
+ enumerator_next_async (data);
+ }
+}
- /* try next one */
- g_socket_address_enumerator_next_async (data->enumerator,
- data->cancellable,
- g_socket_client_enumerator_callback,
- data);
+static void
+g_socket_client_tls_handshake (GSocketClientAsyncConnectData *data)
+{
+ GIOStream *tlsconn;
- return FALSE;
- }
+ if (!data->client->priv->tls)
+ {
+ g_socket_client_async_connect_complete (data);
+ return;
+ }
+
+ tlsconn = g_tls_client_connection_new (data->connection,
+ data->connectable,
+ &data->last_error);
+ if (tlsconn)
+ {
+ g_tls_client_connection_set_validation_flags (G_TLS_CLIENT_CONNECTION (tlsconn),
+ data->client->priv->tls_validation_flags);
+ g_tls_connection_handshake_async (G_TLS_CONNECTION (tlsconn),
+ G_PRIORITY_DEFAULT,
+ data->cancellable,
+ g_socket_client_tls_handshake_callback,
+ data);
+ }
+ else
+ {
+ enumerator_next_async (data);
+ }
+}
+
+static void
+g_socket_client_proxy_connect_callback (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GSocketClientAsyncConnectData *data = user_data;
+
+ g_object_unref (data->connection);
+ data->connection = g_proxy_connect_finish (G_PROXY (object),
+ result,
+ &data->last_error);
+ if (!data->connection)
+ {
+ enumerator_next_async (data);
+ return;
+ }
+
+ g_socket_client_tls_handshake (data);
+}
+
+static void
+g_socket_client_connected_callback (GObject *source,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ GSocketClientAsyncConnectData *data = user_data;
+ GError *error = NULL;
+ GProxy *proxy;
+ const gchar *protocol;
+
+ if (!g_socket_connection_connect_finish (G_SOCKET_CONNECTION (source),
+ result, &error))
+ {
+ clarify_connect_error (error, data->connectable,
+ data->current_addr);
+ set_last_error (data, error);
+
+ /* try next one */
+ enumerator_next_async (data);
+ return;
+ }
+
+ /* wrong, but backward compatible */
+ g_socket_set_blocking (data->current_socket, TRUE);
+
+ if (!data->proxy_addr)
+ {
+ g_socket_client_tls_handshake (data);
+ return;
+ }
+
+ protocol = g_proxy_address_get_protocol (data->proxy_addr);
+ proxy = g_proxy_get_default_for_protocol (protocol);
+
+ /* The connection should not be anything other than TCP,
+ * but let's put a safety guard in case
+ */
+ if (!G_IS_TCP_CONNECTION (data->connection))
+ {
+ g_critical ("Trying to proxy over non-TCP connection, this is "
+ "most likely a bug in GLib IO library.");
+
+ g_set_error_literal (&data->last_error,
+ G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("Trying to proxy over non-TCP connection is not supported."));
+
+ enumerator_next_async (data);
}
+ else if (proxy)
+ {
+ g_proxy_connect_async (proxy,
+ data->connection,
+ data->proxy_addr,
+ data->cancellable,
+ g_socket_client_proxy_connect_callback,
+ data);
+ g_object_unref (proxy);
+ }
+ else if (!g_hash_table_lookup_extended (data->client->priv->app_proxies,
+ protocol, NULL, NULL))
+ {
+ g_clear_error (&data->last_error);
- g_socket_client_async_connect_complete (data);
+ g_set_error (&data->last_error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("Proxy protocol '%s' is not supported."),
+ protocol);
- return FALSE;
+ enumerator_next_async (data);
+ }
+ else
+ {
+ /* Simply complete the connection, we don't want to do TLS handshake
+ * as the application proxy handling may need proxy handshake first */
+ g_socket_client_async_connect_complete (data);
+ }
}
static void
gpointer user_data)
{
GSocketClientAsyncConnectData *data = user_data;
- GSocketAddress *address;
+ GSocketAddress *address = NULL;
GSocket *socket;
GError *tmp_error = NULL;
return;
}
+ if (G_IS_PROXY_ADDRESS (address) &&
+ data->client->priv->enable_proxy)
+ data->proxy_addr = g_object_ref (G_PROXY_ADDRESS (address));
+
g_clear_error (&data->last_error);
socket = create_socket (data->client, address, &data->last_error);
- if (socket != NULL)
+ if (socket == NULL)
{
- g_socket_set_blocking (socket, FALSE);
- if (g_socket_connect (socket, address, &tmp_error))
- {
- data->current_socket = socket;
- g_socket_client_async_connect_complete (data);
-
- g_object_unref (address);
- return;
- }
- else if (g_error_matches (tmp_error, G_IO_ERROR, G_IO_ERROR_PENDING))
- {
- GSource *source;
-
- data->current_socket = socket;
- g_error_free (tmp_error);
-
- source = g_socket_create_source (socket, G_IO_OUT,
- data->cancellable);
- g_source_set_callback (source,
- (GSourceFunc) g_socket_client_socket_callback,
- data, NULL);
- g_source_attach (source, NULL);
- g_source_unref (source);
-
- g_object_unref (address);
- return;
- }
- else
- {
- data->last_error = tmp_error;
- g_object_unref (socket);
- }
g_object_unref (address);
+ enumerator_next_async (data);
+ return;
}
- g_socket_address_enumerator_next_async (data->enumerator,
- data->cancellable,
- g_socket_client_enumerator_callback,
- data);
+ data->current_socket = socket;
+ data->current_addr = address;
+ data->connection = (GIOStream *) g_socket_connection_factory_create_connection (socket);
+
+ g_socket_connection_connect_async (G_SOCKET_CONNECTION (data->connection),
+ address, data->cancellable,
+ g_socket_client_connected_callback, data);
}
/**
* g_socket_client_connect_async:
- * @client: a #GTcpClient
+ * @client: a #GSocketClient
* @connectable: a #GSocketConnectable specifying the remote address.
- * @cancellable: a #GCancellable, or %NULL
- * @callback: a #GAsyncReadyCallback
- * @user_data: user data for the callback
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback
+ * @user_data: (closure): user data for the callback
*
* This is the asynchronous version of g_socket_client_connect().
*
g_return_if_fail (G_IS_SOCKET_CLIENT (client));
- data = g_slice_new (GSocketClientAsyncConnectData);
+ data = g_slice_new0 (GSocketClientAsyncConnectData);
data->result = g_simple_async_result_new (G_OBJECT (client),
callback, user_data,
else
data->cancellable = NULL;
data->last_error = NULL;
- data->enumerator = g_socket_connectable_enumerate (connectable);
+ data->connectable = g_object_ref (connectable);
- g_socket_address_enumerator_next_async (data->enumerator, cancellable,
- g_socket_client_enumerator_callback,
- data);
+ if (can_use_proxy (client))
+ data->enumerator = g_socket_connectable_proxy_enumerate (connectable);
+ else
+ data->enumerator = g_socket_connectable_enumerate (connectable);
+
+ enumerator_next_async (data);
}
/**
* g_socket_client_connect_to_host_async:
- * @client: a #GTcpClient
+ * @client: a #GSocketClient
* @host_and_port: the name and optionally the port of the host to connect to
* @default_port: the default port to connect to
- * @cancellable: a #GCancellable, or %NULL
- * @callback: a #GAsyncReadyCallback
- * @user_data: user data for the callback
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback
+ * @user_data: (closure): user data for the callback
*
* This is the asynchronous version of g_socket_client_connect_to_host().
*
&error);
if (connectable == NULL)
{
- g_simple_async_report_gerror_in_idle (G_OBJECT (client),
+ g_simple_async_report_take_gerror_in_idle (G_OBJECT (client),
callback, user_data, error);
- g_error_free (error);
}
else
{
* @client: a #GSocketClient
* @domain: a domain name
* @service: the name of the service to connect to
- * @cancellable: a #GCancellable, or %NULL
- * @callback: a #GAsyncReadyCallback
- * @user_data: user data for the callback
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback
+ * @user_data: (closure): user data for the callback
*
* This is the asynchronous version of
* g_socket_client_connect_to_service().
}
/**
+ * g_socket_client_connect_to_uri_async:
+ * @client: a #GSocketClient
+ * @uri: a network uri
+ * @default_port: the default port to connect to
+ * @cancellable: (allow-none): a #GCancellable, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback
+ * @user_data: (closure): user data for the callback
+ *
+ * This is the asynchronous version of g_socket_client_connect_to_uri().
+ *
+ * When the operation is finished @callback will be
+ * called. You can then call g_socket_client_connect_to_uri_finish() to get
+ * the result of the operation.
+ *
+ * Since: 2.26
+ */
+void
+g_socket_client_connect_to_uri_async (GSocketClient *client,
+ const gchar *uri,
+ guint16 default_port,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSocketConnectable *connectable;
+ GError *error;
+
+ error = NULL;
+ connectable = g_network_address_parse_uri (uri, default_port, &error);
+ if (connectable == NULL)
+ {
+ g_simple_async_report_take_gerror_in_idle (G_OBJECT (client),
+ callback, user_data, error);
+ }
+ else
+ {
+ g_socket_client_connect_async (client,
+ connectable, cancellable,
+ callback, user_data);
+ g_object_unref (connectable);
+ }
+}
+
+
+/**
* g_socket_client_connect_finish:
* @client: a #GSocketClient.
* @result: a #GAsyncResult.
- * @error: a #GError location to store the error occuring, or %NULL to
+ * @error: a #GError location to store the error occurring, or %NULL to
* ignore.
*
* Finishes an async connect operation. See g_socket_client_connect_async()
*
- * Returns: a #GSocketConnection on success, %NULL on error.
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
*
* Since: 2.22
*/
* g_socket_client_connect_to_host_finish:
* @client: a #GSocketClient.
* @result: a #GAsyncResult.
- * @error: a #GError location to store the error occuring, or %NULL to
+ * @error: a #GError location to store the error occurring, or %NULL to
* ignore.
*
* Finishes an async connect operation. See g_socket_client_connect_to_host_async()
*
- * Returns: a #GSocketConnection on success, %NULL on error.
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
*
* Since: 2.22
*/
* g_socket_client_connect_to_service_finish:
* @client: a #GSocketClient.
* @result: a #GAsyncResult.
- * @error: a #GError location to store the error occuring, or %NULL to
+ * @error: a #GError location to store the error occurring, or %NULL to
* ignore.
*
* Finishes an async connect operation. See g_socket_client_connect_to_service_async()
*
- * Returns: a #GSocketConnection on success, %NULL on error.
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
*
* Since: 2.22
*/
return g_socket_client_connect_finish (client, result, error);
}
-#define __G_SOCKET_CLIENT_C__
-#include "gioaliasdef.c"
+/**
+ * g_socket_client_connect_to_uri_finish:
+ * @client: a #GSocketClient.
+ * @result: a #GAsyncResult.
+ * @error: a #GError location to store the error occurring, or %NULL to
+ * ignore.
+ *
+ * Finishes an async connect operation. See g_socket_client_connect_to_uri_async()
+ *
+ * Returns: (transfer full): a #GSocketConnection on success, %NULL on error.
+ *
+ * Since: 2.26
+ */
+GSocketConnection *
+g_socket_client_connect_to_uri_finish (GSocketClient *client,
+ GAsyncResult *result,
+ GError **error)
+{
+ return g_socket_client_connect_finish (client, result, error);
+}
+
+/**
+ * g_socket_client_add_application_proxy:
+ * @client: a #GSocketClient
+ * @protocol: The proxy protocol
+ *
+ * Enable proxy protocols to be handled by the application. When the
+ * indicated proxy protocol is returned by the #GProxyResolver,
+ * #GSocketClient will consider this protocol as supported but will
+ * not try to find a #GProxy instance to handle handshaking. The
+ * application must check for this case by calling
+ * g_socket_connection_get_remote_address() on the returned
+ * #GSocketConnection, and seeing if it's a #GProxyAddress of the
+ * appropriate type, to determine whether or not it needs to handle
+ * the proxy handshaking itself.
+ *
+ * This should be used for proxy protocols that are dialects of
+ * another protocol such as HTTP proxy. It also allows cohabitation of
+ * proxy protocols that are reused between protocols. A good example
+ * is HTTP. It can be used to proxy HTTP, FTP and Gopher and can also
+ * be use as generic socket proxy through the HTTP CONNECT method.
+ *
+ * When the proxy is detected as being an application proxy, TLS handshake
+ * will be skipped. This is required to let the application do the proxy
+ * specific handshake.
+ */
+void
+g_socket_client_add_application_proxy (GSocketClient *client,
+ const gchar *protocol)
+{
+ g_hash_table_insert (client->priv->app_proxies, g_strdup (protocol), NULL);
+}
projects / platform / upstream / glib.git / blobdiff